Raccoon River Park Weather Forecast

    • 59
    • 68

    Rain Showers Likely

    • 67
    • 83

    Rain Showers

    • 59
    • 73

    Rain Showers

    • 64
    • 69

    Rain Showers

    • 63
    • 77

    Chance Rain Showers

    • 59
    • 74

    Chance Rain Showers

Today 13 Sep Polk

Mostly cloudy. Showers likely with a slight chance of Thunderstorms this Morning, then a chance of Showers this afternoon. Highs in the upper 60s. Northeast Winds 5 to 10 Mph, becoming east this afternoon. Chance of rain 70 percent.

Tonight 13 Sep Polk

Mostly cloudy in the Evening, then partly cloudy with a slight chance of Showers and Thunderstorms after midnight. Lows in the upper 50s. East Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Raccoon River Park Temperature Statistics

September Temperature

Des Moines International Airport (3.7 miles)

  • Lowest 11 September, 2026

    60.1 °F

  • Average September

    80.2 °F

  • Highest 1 September, 2026

    96.7 °F

Climate (2021–2026)

Des Moines International Airport (3.7 miles)

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    63.6 °F
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